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US3178341A Expired / Lapsed US ⏱️ 0.0 years remaining

Antibiotics tylosin and desmycosin and derivatives thereof

Assignee: Eli Lilly and Co
•
Filing: 1960-06-27
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Granted: 1965-04-13
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Expires: 1980-06-27
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Hamill
  • 👤 Jr Michael E Haney
  • 👤 James M Mcguire
  • 👤 Martha C Stamper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:27
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/195; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/896

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 103 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TYLOSIN, DESMYCOSIN, AND ACID ADDITION SALTS THEREOF, SAID TYLOSIN BEING CHARACTERIZED AS A WHITE, SOLID SUBSTANCE, SOLUBLE IN ACIDIC AQUEOUS SOLUTION AND IN MOST POLAR SOLVENTS, BEING SUBSTANTIALLY INSOLUBLE IN MOST POLAR ORGANIC SOLVENTS AND IN ALKALINE AQUEOUS SOLUTIONS, BEING STABLE IN AQUEOUS SOLUTION AT A PH IN THE RANGE OF ABOUT PH 4 TO ABOUT PH 9, HAVING A MOLECULAR WEIGHT OF ABOUT 900, HAVING SHOWN UPON ANALYSIS THE PRESENCE OF 59.68 PERCENT CARBON, 8.53 PERCENT HYDROGEN, 1.55 PERCENT NITROGEN, AND BY DIFFERENCE 30.24 PERCENT OXYGEN, THE SAID ANALYTICAL VALUES ESTABLISHING THE EMPIRICAL FORMULA

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-12 1968-10-12 1969-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-12 1972-10-12 1973-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-12 1976-10-12 1977-04-13 $7700.00 Window Closed / Lapsed

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